evilのキーバインド設定をEmacsのデフォルトと共存させる

Evilにしてから数日が立ちますがyyとかddとか素晴らしいですね。
心なしか気持ちまで軽くなった気がします。

しかし、なれの問題かもしれませんがEmacsのキーバインドを使いたい時もあるので
以下の設定でキーバインドをOverwriteしています。

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; key-binding
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-key evil-normal-state-map "\C-a" 'seq-home)
(define-key evil-insert-state-map "\C-a" 'seq-home)
(define-key evil-visual-state-map "\C-a" 'seq-home)
(define-key evil-motion-state-map "\C-a" 'seq-home)
(define-key evil-normal-state-map "\C-e" 'seq-end)
(define-key evil-insert-state-map "\C-e" 'seq-end)
(define-key evil-visual-state-map "\C-e" 'seq-end)
(define-key evil-motion-state-map "\C-e" 'seq-end)
(define-key evil-normal-state-map "\C-f" 'evil-forward-char)
(define-key evil-insert-state-map "\C-f" 'evil-forward-char)
(define-key evil-insert-state-map "\C-f" 'evil-forward-char)
(define-key evil-normal-state-map "\C-b" 'evil-backward-char)
(define-key evil-insert-state-map "\C-b" 'evil-backward-char)
(define-key evil-visual-state-map "\C-b" 'evil-backward-char)
(define-key evil-normal-state-map "\C-d" 'evil-delete-char)
(define-key evil-insert-state-map "\C-d" 'evil-delete-char)
(define-key evil-visual-state-map "\C-d" 'evil-delete-char)
(define-key evil-normal-state-map "\C-n" 'evil-next-line)
(define-key evil-insert-state-map "\C-n" 'evil-next-line)
(define-key evil-visual-state-map "\C-n" 'evil-next-line)
(define-key evil-normal-state-map "\C-p" 'evil-previous-line)
(define-key evil-insert-state-map "\C-p" 'evil-previous-line)
(define-key evil-visual-state-map "\C-p" 'evil-previous-line)
(define-key evil-normal-state-map "\C-w" 'evil-delete)
(define-key evil-insert-state-map "\C-w" 'evil-delete)
(define-key evil-visual-state-map "\C-w" 'evil-delete)
(define-key evil-normal-state-map "\C-y" 'yank)
(define-key evil-insert-state-map "\C-y" 'yank)
(define-key evil-visual-state-map "\C-y" 'yank)
(define-key evil-normal-state-map "\C-k" 'kill-line)
(define-key evil-insert-state-map "\C-k" 'kill-line)
(define-key evil-visual-state-map "\C-k" 'kill-line)
(define-key evil-normal-state-map "\C-t" 'other-window)
(define-key evil-insert-state-map "\C-t" 'other-window)
(define-key evil-visual-state-map "\C-t" 'other-window)